(somewhat reduced at top) from Ulan Bator to Harbin, China, franked with a variety of handstamped "Postage" in red or black, used in combination with the commemorative issue for a total of 11 mostly different, tied by departure cds, with Russian Post Office in Chita transit (5.7.27), charged "96" cents Postage Due (handstamped on front) with the addition of 2c, 4c, 10c and 4x20c blue, all tied by Harbin pmks on arrival, with two intact wax seals in Mongolian language, fine and splendid cover